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10 commits

Author SHA1 Message Date
Michael Niedermayer
3542260376
avcodec/scpr3: Clear clr 
clr is passing into decode_run_p() its not used when not set
but this possibly triggers msan (it doesnt locally)

Fixes?: use of uninintialized memory
Fixes?: 436997807/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SCPR_fuzzer-6253316466606080

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2025-08-11 11:54:31 +02:00
Michael Niedermayer
d741638042
avcodec/scpr3: Check add_dec() for failure 
Fixes: CID1441459 Improper use of negative value

Sponsored-by: Sovereign Tech Fund
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2024-06-02 22:31:41 +02:00
Michael Niedermayer
cc7e984a05
avcodec/scpr3: Check bx 
Fixes: Out of array access
Fixes: 55102/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SCPR_fuzzer-4877396618903552

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2023-01-17 12:54:54 +01:00
Andreas Rheinhardt
66b691f99f avcodec/internal: Move ff_get_buffer() to decode.h 
Only used by decoders (encoders have ff_encode_alloc_frame()).

Also clean up the other headers a bit while removing now redundant
internal.h inclusions.

Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
 2022-08-27 14:14:56 +02:00
Andreas Rheinhardt
84bb18d4e7 avcodec/scpr3: Avoid code duplication when updating models 
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@gmail.com>
 2021-02-23 10:14:26 +01:00
Michael Niedermayer
c8de8dfba6 avcodec/scpr3: Fix out of array access with dectab 
Fixes: 23721/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SCPR_fuzzer-5914074721550336

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2020-07-02 17:14:31 +02:00
Marton Balint
f811ac5228 avcodec/scpr3: fix checking ret value of decode_run_i 
Fixes Coverity CID 1441461.

Signed-off-by: Marton Balint <cus@passwd.hu>
 2019-05-24 21:39:07 +02:00
James Almer
938cb783d4 avcodec/scpr3: add missing check for decode_value3() return value 
Fixes ticket #7866.

Signed-off-by: James Almer <jamrial@gmail.com>
 2019-04-27 16:15:00 -03:00
Michael Niedermayer
8f63fa4c2e avcodec/scpr: Perform frame copy later 
Optimization found while looking at 13442/clusterfuzz-testcase-minimized-ffmpeg_AV_CODEC_ID_SCPR_fuzzer-5758293933293568

Found-by: continuous fuzzing process https://github.com/google/oss-fuzz/tree/master/projects/ffmpeg
Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>
 2019-03-20 21:12:45 +01:00
Paul B Mahol
a064530da8 avcodec/scpr: add version 3 support 
Signed-off-by: Paul B Mahol <onemda@gmail.com>
 2018-11-18 22:59:29 +01:00